Home / 33,385.40-50,005.20-20,214.80

Finding the Fourth Proportional to 33,385.40, 50,005.20 and 20,214.80

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Solution

The fourth proportional to 33,385.40, 50,005.20 and 20,214.80 is: 30,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,385.40 : 50,005.20 = 20,214.80 : x
  2. Step 2: Convert to fraction form
    33,385.40/50,005.20 = 20,214.80/x
  3. Step 3: Cross multiply
    33,385.40x = 50,005.20 × 20,214.80
  4. Step 4: Simplify right side
    33,385.40x = 1,010,845,116.96
  5. Step 5: Solve for x
    x = 1,010,845,116.96/33,385.40
  6. Step 6: Final answer
    x = 30,278.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.